Are there nonstop flights from Oklahoma City (OKC) to Toronto (YTZ)?

No. The fastest connection is via Chicago, about 3h 10m of total flying time.

What is the fastest connection from Oklahoma City (OKC) to Toronto (YTZ)?

via Chicago ≈ 3h 10m, via Nashville ≈ 3h 23m, via New York ≈ 4h 11m (estimated flying time, excluding layovers).

OKC Will Rogers World Airport (OKC) to Billy Bishop Toronto City Airport (YTZ)・1,804 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 3h 10m of flying time (layover not included).

None.

3 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.